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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 4. Отображено 4.
05-05-2023 дата публикации

Nickel-based superalloy selective laser melting forming simulation and structure optimization method

Номер: CN116060641A
Автор: ZHANG YI, YU CHENGZHE, XU GAIDI, HUANG MIN, LIU RUOYU, WANG SONG, TIAN DELI, LI RUIDI, YUAN TIECHUI
Принадлежит:

The invention discloses a selective laser melting forming simulation and structure optimization method for nickel-based superalloy. Comprising the following steps: establishing a three-dimensional model of a part in 3D modeling software, and exporting the three-dimensional model as an STL (Standard Template Library) file; adding a support for the model in additive manufacturing software; importing a model into the simulation software, setting related parameters, and starting to run the simulation software; solving to obtain displacement deformation and stress distribution of the part generated in the laser additive manufacturing process; analyzing a solving result, and carrying out structure optimization design on the part to avoid forming failure; according to the method, simulation software is adopted for simulating displacement deformation and stress distribution of the GH3536 nickel-based high-temperature alloy part manufactured through the laser additive, technical guidance is provided ...

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Номер записи: 1
23-06-2023 дата публикации

In-situ nitride enhanced 3D printing nickel-based superalloy powder

Номер: CN116275010A
Автор: LI RUIDI, YUAN XIAOHUI, XU GAIDI, HUANG MIN, LIU RUOYU, ZHANG YI, YI CHUSHAN, LYU LIANG, YUAN TIECHUI
Принадлежит:

The invention discloses an in-situ nitride enhanced 3D printing nickel-based superalloy powder which comprises the following components in percentage by mass: 12-17% of Co, 3-4% of Nb, 4-6% of Al, 0.3-3% of Ru, 1-2% of Ta, 0.02-0.1% of Y, 0.05-0.1% of La, 8-12% of Cr, 0.2-1.5% of Si, 0.02-0.05% of Re, 0.01-0.015% of B and the balance of Ni, the powder generates nitride in situ through 3D printing to obtain a dispersion strengthened nickel-based superalloy, the sum of the mass percents of the components is 100%, and the powder comprises the following components in percentage by mass: 1-3% of Ni, 1-2% of Nb, 4-6% of Al, 0.3-3% of Ru, 1-2% of Ta The novel nickel-based superalloy powder suitable for 3D printing is prepared by reasonably designing the proportion of all alloy elements and combining the vacuum induction melting and atomization powder making technology, a nickel-based superalloy formed part is prepared by generating Si3N4 in situ in the printing process to strengthen a second phase ...

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Номер записи: 2
12-08-2015 дата публикации

Graduation grinder clamp

Номер: CN104827388A
Автор: ZHANG JURONG, CHEN YING, HE YE, GUO HUIYING, HU DONGXIU, ZHOU HONGMEI, ZHANG LI, XU GAIDI, ZHANG ZHONGQUAN
Принадлежит:

The invention discloses a graduation grinder clamp. The graduation grinder clamp comprises a bottom plate, wherein a supporting block is arranged on the bottom plate; an inclined surface is arranged on the supporting block; the first included angle between the inclined surface and the horizontal plane is equal to the second included angle between a to-be-ground machining surface of a part and the horizontal plane; a positioning clamping component used for positioning and clamping the part is arranged on the inclined surface and comprises a positioning block and a part locking component; the bottom and the top of the positioning block are planes attached to the inclined surface; a clamping opening used for clamping the peripheral wall of the part is formed in the place at the one half height of the positioning block; a clamping plate with elasticity is arranged at the clamping opening; the part locking component is used for tightly clamping the clamping plate to be positioned in the clamping ...

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Номер записи: 3
25-03-2015 дата публикации

Method for acquiring dimension of measuring pin and position tolerance of measuring pin

Номер: CN104457648A
Автор: LIU MEI, ZHANG HONGLI, XU GAIDI
Принадлежит:

The invention provides a method for acquiring the dimension of a measuring pin and the position tolerance of the measuring pin. The measuring pin is used for determining whether the position of a hole to be measured meets the demand or not, and the dimension of the measuring pin comprises the name dimension of the measuring pin and the dimensional deviation of the measuring pin. The acquiring method comprises the steps that the virtual dimension of the hole to be measured and the gross tolerance of the measuring pin are acquired; the virtual dimension of the hole to be detected and the diameter tolerance of the measuring pin are acquired; the name dimension of the measuring pin is determined through the virtual dimension of the hole to be measured and the gross tolerance of the measuring pin; the dimension of the measuring pin is determined through the name dimension of the measuring pin and the dimension deviation of the measuring pin; the position tolerance of the measuring pin is determined ...

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Номер записи: 4